Radioactive sources are available in a wide range of isotopes covering Alpha, Beta and Gamma emissions. These sources are exempt from USNRC and State licensing and present no special storage or disposal requirements.

Activities are selected to produce sufficient count-rate to check survey meters or conduct most nuclear science experiments in normal lab periods using standard Geiger Mueller counters or scintillation detectors, yet low enough so as not to present any radiation hazard.

Sources are available sealed in one inch diameter plastic discs, in a variety of test tube sizes, or as needle sources for use with cloud chambers.
Laminated disk and credit card source are now available as NEW products.

Several types of source certificates are available for an additional fee.
All certificates must by ordered at the same time the source is ordered.
Contact Spectrum Techniques for pricing.
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Certificate of Origin: Certifies that
the product is manufactured in Oak Ridge Tennessee, Anderson County, United
State of America. click to see
sample copy

Certificate of Compliance: Certifies
that the source is in compliance with US NRC and DOT regulation and that the
surface has been wipe tested.
click to see sample copy

Certificate of Calibration: Certifies
that the source has been calibrated, lists intensity, emission and uncertainty.
click to see sample copy (NOTE: Our
current Mixed Gamma Standard is SRS: 80899-854)

Note: For both Domestic and International Source Orders
- Activities of gamma emitters over 5 to 10 uCi MAY
require lead shielding, either LSD1, LSD4 or LSD5.
If required, the lead shield and appropriate price will be added to your order.